:root {
  --bg: #f1f5f9;            /* Light Slate Background */
  --card: #ffffff;          /* White Card Surface */
  --border: #cbd5e1;        /* Crisp Border */
  --text: #0f172a;          /* Dark Text */
  --text-muted: #64748b;    /* Muted Slate Text */
  --accent: #0284c7;        /* Deep Sky Blue Accent */
  --packed-color: #d97706;   /* Rich Amber */
  --confirmed-color: #059669;/* Rich Emerald Green */
  --danger: #ef4444;        /* Soft Red */
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  padding: 16px;
  max-width: 600px;
  margin: 0 auto;
}

h1 { font-size: 1.5rem; margin-bottom: 12px; color: var(--text); }

.controls {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

button {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  padding: 8px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

button:active { border-color: var(--accent); }

.btn-primary {
  background: var(--accent);
  color: #ffffff;
  font-weight: 600;
  border: none;
}

/* Suggestion Bar */
.suggest-bar {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: none;
}
.suggest-bar::-webkit-scrollbar { display: none; }

.suggest-pill {
  background: #e2e8f0;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: none;
}
.suggest-pill:active {
  background: var(--accent);
  color: #fff;
}

/* Add Form */
.add-form {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}

.add-form input {
  flex: 1;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 1rem;
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.item-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* Category Headers */
.category-header {
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--accent);
  margin-top: 14px;
  margin-bottom: 4px;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--border);
}

.item-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  transition: all 0.2s ease;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
}

.item-row {
  display: flex;
  align-items: center;
  padding: 10px 12px;
  gap: 10px;
}

.item-title {
  flex: 1;
  font-size: 1rem;
  color: var(--text);
  font-weight: 500;
  transition: color 0.2s, text-decoration 0.2s;
}

/* Status States */
.item-card.is-packed {
  border-color: rgba(217, 119, 6, 0.4);
  background: #fffbebf5;
}
.item-card.is-packed .item-title {
  color: var(--packed-color);
}

.item-card.is-confirmed {
  border-color: rgba(5, 150, 105, 0.3);
  background: #f0fdf4;
  opacity: 0.8;
}
.item-card.is-confirmed .item-title {
  color: var(--confirmed-color);
  text-decoration: line-through;
}

/* Checkbox Styling */
.checkbox-group {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.checkbox-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  cursor: pointer;
}

.checkbox-label input {
  width: 18px;
  height: 18px;
  cursor: pointer;
  accent-color: var(--text-muted);
}

.checkbox-label.packed-label input:checked {
  accent-color: var(--packed-color);
}

.checkbox-label.confirmed-label input:checked {
  accent-color: var(--confirmed-color);
}

.toggle-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.9rem;
  padding: 4px;
  box-shadow: none;
}

/* Quick Delete Button */
.remove-btn {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  font-weight: bold;
  padding: 4px 6px;
  line-height: 1;
  cursor: pointer;
  box-shadow: none;
  border-radius: 4px;
}

.remove-btn:hover,
.remove-btn:active {
  color: var(--danger);
  background: #fef2f2;
}

.details {
  background: #f8fafc;
  padding: 10px 12px;
  border-top: 1px solid var(--border);
  display: none;
  align-items: center;
  justify-content: space-between;
}

.details.open { display: flex; }

.qty-controls {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
}

.qty-controls input {
  width: 50px;
  padding: 4px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 4px;
}

.delete-btn {
  color: #dc2626;
  border-color: #fca5a5;
  background: #fef2f2;
}

/* Modal Popup Styles */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(15, 23, 42, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 16px;
  z-index: 100;
}

.modal-overlay.active { display: flex; }

.modal-content {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 20px;
  width: 100%;
  max-width: 500px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1);
}

.modal-content h2 { font-size: 1.2rem; }

.modal-help {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.modal-content textarea {
  width: 100%;
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  font-size: 1rem;
  resize: vertical;
}

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

/* Bulk Modal Category Selector & Review Table */
.default-cat-selector {
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: var(--bg);
  padding: 10px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.cat-input-group {
  display: flex;
  gap: 8px;
}

.cat-input-group select,
.cat-input-group input {
  flex: 1;
  padding: 8px;
  border-radius: 4px;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  font-size: 0.9rem;
}

.bulk-review-list {
  max-height: 280px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px;
  background: var(--bg);
}

.bulk-review-row {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  padding: 6px 10px;
  border-radius: 4px;
  border: 1px solid var(--border);
}

.bulk-review-row .item-name-input {
  flex: 2;
  padding: 4px 8px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
}

.bulk-review-row select {
  flex: 1.5;
  padding: 4px 6px;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.85rem;
}